Ketamine is a dissociative and anesthetic related to tiletamine, PCP, and MXE.
This Just In:
Ketamine is a good drug!
It cures depression and spurs neuronal growth:
http://www.sciencedaily.com/releases/2010/08/100819141913.htm
and destroys your bladder :(
http://www.bbc.co.uk/newsbeat/10003110